Carbon and Nitrogen Cycle

Front

What type of organism “fixes” the nitrogen for use by plants?

Back

Bacteria

Front

Humans and other animals breathe in __________ and release carbon dioxide.

Back

Oxygen

Front

Plants absorb ________________________ and release oxygen

Back

Carbon dioxide

Front

Identify the cycle pictured. Options: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle

Back

The Carbon cycle

Front

What converts nitrogen into a useable form for plants and animals?

Back

bacteria

Front

When nitrogen gas is turned into a form that plants and animals can use, it is called? Options: Combustion, Photosynthesis, Decomposition, Nitrogen Fixation

Back

Nitrogen Fixation

Front

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle

Back

The Nitrogen cycle

Front

Plants use carbon dioxide in the process of _____________.

Back

photosynthesis

Front

A correct path that nitrogen could take would be Options: air -> animals -> plants -> bacteria, animals -> air -> bacteria -> plants, bacteria -> air -> plants -> animals, air -> bacteria -> plants -> animals

Back

air -> bacteria -> plants -> animals

Front

Denitrification

Back

Conversion of nitrite back to nitrogen gas